BigBear.ai (BBAI -1.62%) is a popular artificial intelligence (AI) stock pick due to its pure-play status in the space. There aren't many investments that are solely focused on AI, which attracts investors to these ideas. BigBear.ai is also a small company, with a market cap of around $1.9 billion. It wouldn't take much growth to turn this into a much larger business, but is it enough to make you a millionaire from a modest investment? BigBear.ai has significant customer concentration For BigBear.ai to make ...